mainspring definition

  • noun:
    • the key springtime in a mechanical unit, particularly a watch or time clock, that drives the method by uncoiling.
    • the main motivating force: the mainspring of a reform activity.
    • the main spring of a clockwork device, that pushes it by uncoiling.
    • the most crucial reason behind some thing.
    • the key or vital spring in a piece of system, particularly the moving spring of a wristwatch or time clock or perhaps the springtime in a gunlock which impels the hammer.
    • The principal springtime of every piece of apparatus, because, in a gun-lock, the springtime which works the hammer; particularly, the coiled spring of a watch or other watch.
    • The impelling reason behind any action; the inciting motive.
    • the main springtime in a mechanical device (especially a clock or view); whilst uncoils it drives the method

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